A new international study warns that reproductive health in space is no longer a theoretical concern and that questions about ...

Scientists warn that radiation and microgravity pose a major threat to human reproduction in space. Understanding these ...

Many people today simply assume that our evolution has quietly ended with the development of the modern human. It's easy to think that medicine, science, and modern living have made us "perfect" or ...

Human biology evolved for a world of movement, nature, and short bursts of stress—not the constant pressure of modern life. Industrial environments overstimulate our stress systems and erode both ...